Pagini recente » Cod sursa (job #126611) | Cod sursa (job #2975187) | Cod sursa (job #2110018) | Cod sursa (job #356697) | Cod sursa (job #2114765)
#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("rj.in");
ofstream fout("rj.out");
string s;
queue <int> qx,qy;
const int dx[]={1,0,-1,0,1,1,-1,-1},dy[]={0,1,0,-1,1,-1,1,-1};
int n,m,jx,jy,rx,ry,i,j,x,y,xx,yy,a[105][105],r[105][105],jl[105][105];
int main()
{
fin>>n>>m;
for(i=0;i<=n;i++)
{
getline(fin,s);
for(j=0;j<m;j++)
{
if(s[j]=='X')
{
r[i][j+1]=-1;
jl[i][j+1]=-1;
}
if(s[j]=='R')
{
r[i][j+1]=1;
rx=i;
ry=j+1;
}
if(s[j]=='J')
{
jl[i][j+1]=1;
jx=i;
jy=j+1;
}
}
}
qx.push(rx);
qy.push(ry);
r[rx][ry]=1;
while(!qx.empty())
{
x=qx.front();
y=qy.front();
qx.pop();
qy.pop();
for(i=0;i<8;i++)
{
xx=x+dx[i];
yy=y+dy[i];
if(xx>=1 && yy>=1 && xx<=n && yy<=m && r[xx][yy]==0)
{
r[xx][yy]=r[x][y]+1;
qx.push(xx);
qy.push(yy);
}
}
}
qx.push(jx);
qy.push(jy);
jl[jx][jy]=1;
while(!qx.empty())
{
x=qx.front();
y=qy.front();
qx.pop();
qy.pop();
for(i=0;i<8;i++)
{
xx=x+dx[i];
yy=y+dy[i];
if(xx>=1 && yy>=1 && xx<=n && yy<=m && jl[xx][yy]==0)
{
jl[xx][yy]=jl[x][y]+1;
qx.push(xx);
qy.push(yy);
}
}
}
int minn=10000,a,b;
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
if(r[i][j]==jl[i][j] && r[i][j]<minn && r[i][j]>0)
{
minn=r[i][j];
a=i;
b=j;
}
}
}
fout<<minn<<" "<<a<<" "<<b;
return 0;
}